[rCMT] Mw=6.1 ANDREANOF ISLANDS, ALEUTIAN IS.
USGS research CMT
researchcmt at geohazards.cr.usgs.gov
Fri Dec 21 08:00:19 GMT 2007
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2007leak ANDREANOF ISLANDS, ALEUTI
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : COR FFC KIP LVZ MAJO TIXI TLY TUC ULN YAK YSS
Origin time: 2007 355 7 24 36
Original location (lat,lon,depth) : 51.4000 -179.100 35
Moment tensor (x1.e26 dyncm) :
Mrr : 0.185209 Mtt : -0.152344
Mff : -0.032865 Mrt : 0.093680
Mrf : 0.048000 Mtf : -0.044092
T-axis: moment= 0.215 plunge= 74.284 azimuth= 327.382
N-axis: moment= -0.019 plunge= 3.357 azimuth= 69.416
P-axis: moment= -0.195 plunge= 15.335 azimuth= 160.337
best double couple: Mo= 0.205(x1.e26 dyncm) Mw=6.1 tau= 3.3
nodal planes (strike/dip/slip): 67.51/ 60.42/ 86.14 255.29/ 29.81/ 96.77
Centroid location : 51.112 -178.483 39.839
Centroid time : 0.063
Variance reduction (%) : 40
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 1 0 2 1 0 2 1 2 1 0 0
r-comp: 0 1 0 1 1 0 1 1 0 1 0 0
t-comp: 0 1 0 0 1 0 0 2 1 1 0 0
Total number of traces used = 22
number of runs = 1
starttime = Fri Dec 21 00:57:50 MST 2007
endtime = Fri Dec 21 01:00:14 MST 2007
inversion time = Fri Dec 21 00:59:57 MST 2007 - Fri Dec 21 01:00:13 MST 2007
Solution produced by inversion of channels with var red > 2%
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